/*
* Copyright (c) 2012 Kyle Hayward
* 
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* 
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
* 
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "Precompiled.h"

#include "GeometryGroup.h"
#include "Context.h"
#include "GeometryInstance.h"
#include "Acceleration.h"

using namespace System;

namespace OptixDotNet 
{
	GeometryGroup::GeometryGroup( Context^ context ) : ContainerNode( context )
	{
		mGeoGroup = 0;

		pin_ptr<RTgeometrygroup> ptr = &mGeoGroup;
		CheckError( rtGeometryGroupCreate( context->InternalPtr(), ptr ) );

		mCollection = gcnew NodeCollection<GeometryInstance^>( this );
	}	

	GeometryGroup::GeometryGroup( Context^ context, RTgeometrygroup group ) : ContainerNode( context )
	{
		mGeoGroup = group;
		mCollection = gcnew NodeCollection<GeometryInstance^>( this );
	}

	GeometryInstance^ GeometryGroup::ChildNodes::get( unsigned int index )
	{
		return GetChild( index );
	}

	void GeometryGroup::ChildNodes::set( unsigned int index, GeometryInstance^ instance )
	{
		SetChild( index, instance );
	}

	GeometryInstance^ GeometryGroup::GetChild( unsigned int index )
	{
		if( index >= ChildCount )
		{
			throw gcnew ArgumentOutOfRangeException( "index" );
		}

		RTgeometryinstance instance;
		CheckError( rtGeometryGroupGetChild( mGeoGroup, index, &instance ) );

		return gcnew GeometryInstance( mContext, instance );
	}

	void GeometryGroup::SetChild( unsigned int index, GeometryInstance^ instance )
	{
		CheckError( rtGeometryGroupSetChild( mGeoGroup, index, instance->InternalPtr() ) );
	}

	OptixDotNet::Acceleration^ GeometryGroup::Acceleration::get()
	{
		RTacceleration accel;
		CheckError( rtGeometryGroupGetAcceleration( mGeoGroup, &accel ) );

		return gcnew OptixDotNet::Acceleration( mContext, accel );
	}

	void GeometryGroup::Acceleration::set( OptixDotNet::Acceleration^ accel )
	{
		CheckError( rtGeometryGroupSetAcceleration( mGeoGroup, accel->InternalPtr() ) );
	}
}